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Tracking congressional stock trades from public STOCK Act Periodic Transaction Reports (PTRs) filed by members of the US House and Senate.

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© 2026 Congress Stock Tracker. Data from public STOCK Act filings.For informational purposes only. Not financial advice.
Stocks
Aspen Technology, Inc.

Aspen Technology, Inc.AZPN

NASDAQTechnologySoftware$264.33+0.00%

Price as of Mar 15, 4:52 PM EDT · delayed, not real-time

Specializing in asset optimization software, this company provides solutions for industrial sectors to improve performance and efficiency. Its products are widely used in process industries like chemicals, energy, and pharmaceuticals, making it a key player in industrial digital transformation. Investors monitor it for exposure to industrial software growth and recurring revenue models.

Market Cap: $16.7B52W Range: $171.25 – $277.37

Congressional Interest in Aspen Technology, Inc. (AZPN)

5 members of Congress have disclosed 21 trades in Aspen Technology, Inc. (AZPN), a Technology company. The buy/sell breakdown shows 13 purchases versus 8 sales, indicating net buying interest from lawmakers. All data is sourced from STOCK Act periodic transaction reports filed with Congress.

Total Disclosures
21
Unique Politicians
5
Buys
13
Sells
8

Who in Congress Is Trading AZPN?

DatePoliticianTypeAmountSecurity
2024-12-06Julia Letlowsell$1K – $15KStock
2024-10-23Julia Letlowbuy$1K – $15KStock
2019-10-02MICHAEL T. MCCAULbuy$1K – $15KStock
2019-06-06Greg Gianfortebuy$100K – $250KStock
2018-12-07Thomas MacArthursell$15K – $50KStock
2018-06-07Thomas MacArthurbuy$15K – $50KStock
2012-12-09MICHAEL T. MCCAULsell$1K – $15KStock
2012-12-09MICHAEL T. MCCAULsell$1K – $15KStock
2012-12-07MICHAEL T. MCCAULsell$1K – $15KStock
2012-12-07MICHAEL T. MCCAULbuy$15K – $50KStock
2012-12-07MICHAEL T. MCCAULbuy$1K – $15KStock
2012-12-07MICHAEL T. MCCAULbuy$1K – $15KStock
2012-11-05MICHAEL T. MCCAULsell$1K – $15KStock
2012-11-05MICHAEL T. MCCAULbuy$1K – $15KStock
2012-11-05MICHAEL T. MCCAULbuy$50K – $100KStock
2012-11-05MICHAEL T. MCCAULbuy$50K – $100KStock
2012-04-09JAMES B. RENACCIsell$4,468.48Stock
2012-03-07MICHAEL T. MCCAULsell$1K – $15KStock
2012-03-07MICHAEL T. MCCAULbuy$1K – $15KStock
2011-10-11JAMES B. RENACCIbuy$1,718.46Stock
2011-10-11JAMES B. RENACCIbuy$1,218.46Stock
Julia Letlowsell
2024-12-06$1K – $15K
Stock
Julia Letlowbuy
2024-10-23$1K – $15K
Stock
MICHAEL T. MCCAULbuy
2019-10-02$1K – $15K
Stock
Greg Gianfortebuy
2019-06-06$100K – $250K
Stock
Thomas MacArthursell
2018-12-07$15K – $50K
Stock
Thomas MacArthurbuy
2018-06-07$15K – $50K
Stock
MICHAEL T. MCCAULsell
2012-12-09$1K – $15K
Stock
MICHAEL T. MCCAULsell
2012-12-09$1K – $15K
Stock
MICHAEL T. MCCAULsell
2012-12-07$1K – $15K
Stock
MICHAEL T. MCCAULbuy
2012-12-07$15K – $50K
Stock
MICHAEL T. MCCAULbuy
2012-12-07$1K – $15K
Stock
MICHAEL T. MCCAULbuy
2012-12-07$1K – $15K
Stock
MICHAEL T. MCCAULsell
2012-11-05$1K – $15K
Stock
MICHAEL T. MCCAULbuy
2012-11-05$1K – $15K
Stock
MICHAEL T. MCCAULbuy
2012-11-05$50K – $100K
Stock
MICHAEL T. MCCAULbuy
2012-11-05$50K – $100K
Stock
JAMES B. RENACCIsell
2012-04-09$4,468.48
Stock
MICHAEL T. MCCAULsell
2012-03-07$1K – $15K
Stock
MICHAEL T. MCCAULbuy
2012-03-07$1K – $15K
Stock
JAMES B. RENACCIbuy
2011-10-11$1,718.46
Stock
JAMES B. RENACCIbuy
2011-10-11$1,218.46
Stock

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